Polycom VIEWSTATION EX Manual De Usuario

gatewayext <set|get> ["gateway extension"]
gatewayext set ["gateway extension"]
gatewayext set
gatewayext get

This command sets the gateway extension number. You need to 
restart the system for changes to take effect.

Sets the gateway extension number when followed by 
the gateway extension parameter. If you want to erase 
the current setting, omit gateway extension.

Displays the current setting.

Numeric string specifying the gateway extension.

Note  Use quotation marks around a compound name or strings 

containing spaces (Ex: “united states” or “111 222 333”).

gatewayext set 

59715

System Info>User Setup>LAN/H.323>H.323>Gateway: Gateway 
Number>Extension